DevOps Engineer (Unix DevOps with Java expertise)

We are looking for a DevOps Engineer (Unix DevOps with Java expertise) to join Sopra Steria Polska and one of our innovative international squads. You will play a pivotal role in the development and optimization of our development environment. You will manage the Unix/Linux infrastructure support Java-based applications (Jira/Confluence) and collaborate with Atlassian administrators to resolve system-level issues. This role focuses on server administration performance tuning and troubleshooting in a Linux (RHEL)-based ecosystem ensuring high availability security and compliance for enterprise-scale deployments. 

Note that we can only offer cooperation to people who are located in Poland and have EU citizenship.

Responsibilities:

• Administer and maintain RHEL-based Linux servers supporting Atlassian tools (Jira Confluence).
• Provide support for Java applications running on Tomcat including JVM tuning and troubleshooting.
• Configure and maintain Apache HTTPD/Tomcat (reverse proxy SSL/TLS load balancing).
• Automate operational tasks (Bash/Python) including deployments backups and monitoring.
• Diagnose and resolve system application and database-related performance issues.
• Support integrations with LDAP/SSO CI/CD tools and monitoring solutions.
• Ensure security compliance and system hardening in line with enterprise standards.
• Monitor optimise and support performance and scalability of the environment.
• Document configurations and collaborate with Atlassian administrators security and support teams.

Tech stack on the project:

Linux(RHEL) Java/JVM tuning Apache HTTPD Apache Tomcat PostgreSQL Bash Python/Perl SSL/TLS HTTP/HTTPS JDBC LDAP/SSO Bamboo Jenkins Jira Confluence

Qualifications :

Must have requirements:

• 5 years of Unix/Linux (RHEL) system administration in enterprise environments.
• Strong experience with Java applications including JVM tuning Tomcat administration and troubleshooting
• Hands-on knowledge of web servers (Apache/Tomcat) databases (PostgreSQL) and scripting (Bash Python)
• Familiarity with Atlassian tools (Jira/Confluence) from an infrastructure support perspective
• Experience with security best practices including firewalls encryption and compliance audits
• Knowledge of CI/CD pipelines (Bamboo Jenkins) and integration with monitoring tools
• Analytical and problem-solving mindset for system-level issues
• Strong communication skills to collaborate with cross-functional teams
• Proactive and detail-oriented with a focus on system reliability and security
• Ability to document processes and share knowledge effectively
• EU citizenship
• Fluent English: B2/C1.
• Being open to occasional business trips abroad and visits in our office in Katowice

Nice to have requirements:

• Clearance

Additional Information :

What we offer:
BENEFITS (UoP): Luxmed Medicover Sport Worksmile educational platforms languages learning platform referral bonus copyrights life insurance workation
DEVELOPMENT OPPORTUNITIES (UoP and B2B): certifications (paid by the company) conferences Tech Lunches possibility to join our Communities (Project Management Architecture Security Process Management Leadership AI and Cloud)

The recruitment process for this position consists of two stages:
a short phone call with a recruiter (30 min max)
one-hour long interview on Teams (with both general and technical questions)

Salary range:

UOP: 12 000-16 000 PLN gross/month. B2B: 100-140 PLN net/h

All information about salary range and its additional components will be provided during the 1st stage of recruitment process.

At our organization we are committed to fighting against all forms of discrimination. We foster a work environment that is inclusive and respectful of all differences.

Remote Work :

No

Employment Type :

Full-time